/C#/Null check operator used on a null value

Null check operator used on a null value

Null coalescing operator c#

//the null coalescing operator for c# is ??
int? x = null;
int y = 9;
return x ?? y; 
//Will return the value of x if x is not null else return y

8

C# null conditional

//Return stirng representation of nullable DateTime
DateTime? x = null;
return x.HasValue == true ? x.Value.ToString() : "No Date";

1

Null check operator used on a null value

if(str != null){
    len = str!.length;
}else{
    len = 0; //return value if str is null
}

0

Source: fluttercampus.com

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